2. On work surface, place 3/4 cup dough. Knead desired amount of food color into dough until color is uniform. Press dough evenly in bottom of pan.

3. Divide remaining dough in half. Gently press one half of remaining dough into pan on top of orange dough. On work surface, knead chocolate into remaining dough until color is uniform. Press over plain dough in pan, pressing gently to edge of pan. Refrigerate 1 1/2 to 2 hours or until firm.